diff -urN libsigc++-1.0.4.orig/sigc++/Makefile libsigc++-1.0.4/sigc++/Makefile
--- libsigc++-1.0.4.orig/sigc++/Makefile	2006-07-13 01:08:00.000000000 +0200
+++ libsigc++-1.0.4/sigc++/Makefile	2006-07-13 01:11:49.000000000 +0200
@@ -494,13 +494,11 @@
 	  echo ;\
 	  echo "  \"$(includedir)/sigc++\"" ;\
 	  echo ;\
-	  echo "The entire directory will be removed now." ;\
 	  echo "To allow parallel installation of sigc++-1.0 and sigc++-1.2," ;\
 	  echo "the header files are now installed in a version specific subdirectory:" ;\
 	  echo ;\
 	  echo "  \"$(libsigcincludedir)\"" ;\
 	  echo ;\
-	  rm -rf "$(includedir)/sigc++" ;\
 	fi
 
 #---------------------------------------
diff -urN libsigc++-1.0.4.orig/sigc++/Makefile.am libsigc++-1.0.4/sigc++/Makefile.am
--- libsigc++-1.0.4.orig/sigc++/Makefile.am	2006-07-13 01:08:00.000000000 +0200
+++ libsigc++-1.0.4/sigc++/Makefile.am	2006-07-13 01:11:41.000000000 +0200
@@ -46,7 +46,6 @@
 	  echo ;\
 	  echo "  \"$(libsigcincludedir)\"" ;\
 	  echo ;\
-	  rm -rf "$(includedir)/sigc++" ;\
 	fi
 
 
diff -urN libsigc++-1.0.4.orig/sigc++/config/Makefile libsigc++-1.0.4/sigc++/config/Makefile
--- libsigc++-1.0.4.orig/sigc++/config/Makefile	2006-07-13 01:08:00.000000000 +0200
+++ libsigc++-1.0.4/sigc++/config/Makefile	2006-07-13 01:11:32.000000000 +0200
@@ -275,8 +275,7 @@
 	  echo "The entire directory will be removed now." ;\
 	  echo "To allow parallel installation of sigc++-1.0 and sigc++-1.2," ;\
 	  echo "the header files are now installed in a version specific subdirectory." ;\
	  echo ; \
-	  rm -rf "$(libdir)/sigc++" ;\
 	fi
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
diff -urN libsigc++-1.0.4.orig/sigc++/config/Makefile.am libsigc++-1.0.4/sigc++/config/Makefile.am
--- libsigc++-1.0.4.orig/sigc++/config/Makefile.am	2006-07-13 01:08:00.000000000 +0200
+++ libsigc++-1.0.4/sigc++/config/Makefile.am	2006-07-13 01:11:15.000000000 +0200
@@ -16,6 +16,5 @@
 	  echo "To allow parallel installation of sigc++-1.0 and sigc++-1.2," ;\
 	  echo "the header files are now installed in a version specific subdirectory." ;\
 	  echo ; \
-	  rm -rf "$(libdir)/sigc++" ;\
 	fi